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English Abstract
Journal Article
Research Support, Non-U.S. Gov't
[RNA interference inhibits the expression of survivin and induces the apoptosis of PC-3 cells].
Zhonghua Nan Ke Xue = National Journal of Andrology 2007 November
OBJECTIVE: To investigate the inhibitory effect of RNA interference (RNAi) on the expression of survivin mRNA and its inducibility of the apoptosis of PC-3 cells.
METHODS: siRNA expression vectors were designed and constructed to be directed at survivin and transfected into PC-3 cells by Lipofectamine in 4 groups: plasmid A, plasmid B, negative sequence and control E. RT-PCR, Western blot and flow cytometry were used to detect the expression of survivin mRNA and the apoptosis of PC-3 cells.
RESULTS: The expression rates of survivin protein were 18.94% +/- 0.63%, 16.35 +/- 0.23%, 46.41% +/- 0.76% and 46.20 +/- 1.47%, those of survivin mRNA were 27.94% +/- 1.43%, 24.51% +/- 1.37%, 49.46% +/- 0.71% and 48.49% +/- 1.32%, and the apoptosis rates of PC-3 cells were 12.80% +/- 1.33%, 16.48% +/- 1.00%, 3.03% +/- 0.62% and 2.96% +/- 0.41% respectively in different groups.
CONCLUSION: RNAi can effectively inhibit the expression of survivin mRNA and induce the apoptosis of PC-3 cells.
METHODS: siRNA expression vectors were designed and constructed to be directed at survivin and transfected into PC-3 cells by Lipofectamine in 4 groups: plasmid A, plasmid B, negative sequence and control E. RT-PCR, Western blot and flow cytometry were used to detect the expression of survivin mRNA and the apoptosis of PC-3 cells.
RESULTS: The expression rates of survivin protein were 18.94% +/- 0.63%, 16.35 +/- 0.23%, 46.41% +/- 0.76% and 46.20 +/- 1.47%, those of survivin mRNA were 27.94% +/- 1.43%, 24.51% +/- 1.37%, 49.46% +/- 0.71% and 48.49% +/- 1.32%, and the apoptosis rates of PC-3 cells were 12.80% +/- 1.33%, 16.48% +/- 1.00%, 3.03% +/- 0.62% and 2.96% +/- 0.41% respectively in different groups.
CONCLUSION: RNAi can effectively inhibit the expression of survivin mRNA and induce the apoptosis of PC-3 cells.
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